EP2268474B1 - Aus verbundwerkstoff hergestelltes gekrümmtes strukturteil und verfahren zur herstellung solch eines teils - Google Patents

Aus verbundwerkstoff hergestelltes gekrümmtes strukturteil und verfahren zur herstellung solch eines teils Download PDF

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Publication number
EP2268474B1
EP2268474B1 EP09718753.8A EP09718753A EP2268474B1 EP 2268474 B1 EP2268474 B1 EP 2268474B1 EP 09718753 A EP09718753 A EP 09718753A EP 2268474 B1 EP2268474 B1 EP 2268474B1
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Prior art keywords
section
curvature
wings
radius
fibers
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EP09718753.8A
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English (en)
French (fr)
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EP2268474A2 (de
Inventor
Nathalie Hellard
Vanessa Kubryk
Sébastien ALBY
Cécile RAULOT
Gilles Duqueine
Jérôme Aubry
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Airbus Operations SAS
Airbus SAS
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Airbus Operations SAS
Airbus SAS
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Priority claimed from FR0801260A external-priority patent/FR2928295B1/fr
Priority claimed from FR0801261A external-priority patent/FR2928294B1/fr
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Publication of EP2268474A2 publication Critical patent/EP2268474A2/de
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
    • B29C70/20—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in a single direction, e.g. roofing or other parallel fibres
    • B29C70/202—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in a single direction, e.g. roofing or other parallel fibres arranged in parallel planes or structures of fibres crossing at substantial angles, e.g. cross-moulding compound [XMC]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/302—Details of the edges of fibre composites, e.g. edge finishing or means to avoid delamination
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/44—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • B29C70/541—Positioning reinforcements in a mould, e.g. using clamping means for the reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • B29C70/545—Perforating, cutting or machining during or after moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/0003—Producing profiled members, e.g. beams
    • B29D99/0007—Producing profiled members, e.g. beams having a variable cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
    • B64C1/06—Frames; Stringers; Longerons ; Fuselage sections
    • B64C1/10—Bulkheads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
    • B29C70/342—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using isostatic pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • B29C70/504—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC] using rollers or pressure bands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/001—Profiled members, e.g. beams, sections
    • B29L2031/003—Profiled members, e.g. beams, sections having a profiled transverse cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/001—Profiled members, e.g. beams, sections
    • B29L2031/008—Profiled members, e.g. beams, sections having a longitudinal cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3076—Aircrafts
    • B29L2031/3082—Fuselages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/772—Articles characterised by their shape and not otherwise provided for
    • B29L2031/7739—Curved shaped
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/40—Weight reduction

Claims (7)

  1. Gekrümmtes Strukturteil, das aus einem Verbundwerkstoff mit Faserverstärkung aus kontinuierlichen Fasern (3) besteht, dessen Querschnitt mindestens zwei Schenkel (10, 12) umfasst, wobei sich die Fasern von einem Schenkel zum anderen fortsetzen, wobei mindestens einer der Schenkel eine Krümmungsradiusänderung über seine Breite aufweist, wobei die Änderung zwischen zwei Krümmungsradien enthalten ist, deren Konkavität in die gleiche Richtung ausgerichtet ist, wobei der Schenkel eine Änderung der Breite seines Querschnitts (112) parallel zum lokalen Krümmungsradius umfasst, wobei sich die Breitenänderung in einer Mindestkrümmungsradiusreduzierung (203) des Teils und Zunahme der Länge der in diesem Schenkel enthaltenen Fasern äußert, dadurch gekennzeichnet, dass die Breitenänderung (112) eine Verbreiterung mit anschließender Rückkehr zum laufenden Querschnitt umfasst.
  2. Gekrümmtes Strukturteil nach Anspruch 1, dadurch gekennzeichnet, dass es sich über die mindestens zwei Schenkel fortsetzende kontinuierliche Verstärkungsfasern umfasst, die entlang einer Nennrichtung + oder - α (33, 34) in Bezug auf die Krümmung ausgerichtet sind, wobei α zwischen 30° und 60° beträgt.
  3. Strukturteil nach Anspruch 2, dadurch gekennzeichnet, dass es parallel zum lokalen Krümmungsradius ausgerichtete sogenannte kontinuierliche 90°-Verstärkungsfasern (32) umfasst, die sich über mindestens zwei Schenkel fortsetzen.
  4. Strukturteil nach Anspruch 2, dadurch gekennzeichnet, dass es senkrecht zum Krümmungsradius ausgerichtete sogenannte kontinuierliche 0°-Verstärkungsfasern (31) in mindestens einem der Schenkel umfasst.
  5. Strukturteil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es Übergangsradien (220) zwischen 300 mm und 1000 mm zwischen den laufenden Teilen und den Teilen mit evolutivem Querschnitt umfasst.
  6. Gekrümmtes Strukturteil nach Anspruch 5, dadurch gekennzeichnet, dass die Querschnittsänderung (112) stufenlos gemäß einer Neigung β zwischen 0,07 und 0,15 erfolgt.
  7. Gekrümmtes Strukturteil nach Anspruch 1, dadurch gekennzeichnet, dass es eine Dickenverstärkung mindestens eines der beiden Schenkel in dessen Verbreiterungsbereich (112) beinhaltet.
EP09718753.8A 2008-03-07 2009-01-26 Aus verbundwerkstoff hergestelltes gekrümmtes strukturteil und verfahren zur herstellung solch eines teils Active EP2268474B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0801260A FR2928295B1 (fr) 2008-03-07 2008-03-07 Procede et dispositif de moulage d'une piece courbe en materiau composite,et piece correspondante.
FR0801261A FR2928294B1 (fr) 2008-03-07 2008-03-07 Procede et dispositif de realisation d'un profil courbe en materiau composite,et profil correspondant.
PCT/FR2009/000092 WO2009112694A2 (fr) 2008-03-07 2009-01-26 Piece structurale courbe en materiau composite et procede de fabrication d'une telle piece

Publications (2)

Publication Number Publication Date
EP2268474A2 EP2268474A2 (de) 2011-01-05
EP2268474B1 true EP2268474B1 (de) 2020-04-29

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EP09718753.8A Active EP2268474B1 (de) 2008-03-07 2009-01-26 Aus verbundwerkstoff hergestelltes gekrümmtes strukturteil und verfahren zur herstellung solch eines teils

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EP (1) EP2268474B1 (de)
WO (1) WO2009112694A2 (de)

Families Citing this family (13)

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Publication number Priority date Publication date Assignee Title
US9278484B2 (en) * 2008-04-17 2016-03-08 The Boeing Company Method and apparatus for producing contoured composite structures and structures produced thereby
DE102008028865B4 (de) * 2008-06-19 2015-04-02 Airbus Defence and Space GmbH Verfahren zur Herstellung von Faserverbund-Profilbauteilen, sowie Verwendung derartig hergestellter Faserverbund-Profilbauteile
FR2951400B1 (fr) * 2009-10-20 2016-12-30 Airbus Operations Sas Piece structurale en materiau composite renforcee localement et procede de realisation d'une telle piece
US9266279B2 (en) 2010-07-08 2016-02-23 Orbital Atk, Inc. Variable material stretch-forming apparatus and methods
CA2804960A1 (en) 2010-07-13 2012-01-19 Learjet Inc. Composite structure and method of forming same
GB201011842D0 (en) * 2010-07-14 2010-09-01 Airbus Operations Ltd Beam
GB201013524D0 (en) * 2010-08-12 2010-09-29 Hexcel Composites Ltd Improved composite materials
FR2965748B1 (fr) * 2010-10-06 2012-10-26 Coriolis Composites Attn Olivier Bouroullec Procede de fabrication de raidisseurs en materiau composite
US9387657B2 (en) 2010-11-12 2016-07-12 The Boeing Company Method of fabricating a curved composite structure using composite prepreg tape
US9701067B2 (en) 2010-11-12 2017-07-11 The Boeing Company Method of laying up prepreg plies on contoured tools using a deformable carrier film
US8551380B2 (en) * 2010-11-12 2013-10-08 The Boeing Company Method of laying up prepreg plies on contoured tools using a deformable carrier film
FR3009273B1 (fr) 2013-07-30 2017-07-28 Eurocopter France Cadre en materiaux composites stratifies pour fuselage d'aeronef, comportant des zones de renfort courbes a rayon de courbure evolutif
WO2015053869A1 (en) * 2013-10-07 2015-04-16 The Boeing Company Method of laying up prepreg plies on contoured tools using a deformable carrier film

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US5292475A (en) * 1992-03-06 1994-03-08 Northrop Corporation Tooling and process for variability reduction of composite structures
US7249943B2 (en) * 2003-08-01 2007-07-31 Alliant Techsystems Inc. Apparatus for forming composite stiffeners and reinforcing structures
US7469735B2 (en) * 2005-08-03 2008-12-30 The Boeing Corporation Composite structural element fabricating device and method
US9102103B2 (en) * 2006-02-02 2015-08-11 The Boeing Company Thermoplastic composite parts having integrated metal fittings and method of making the same

Non-Patent Citations (1)

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Publication number Publication date
EP2268474A2 (de) 2011-01-05
WO2009112694A2 (fr) 2009-09-17
WO2009112694A3 (fr) 2009-11-26

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